Complex configuration-adjustable device for testing fire combustion characteristics of building wall heat insulation plates

Abstract

The invention provides a complex configuration-adjustable device for testing fire combustion characteristics of building wall heat insulation plates. The device comprises a rectangular support plate,wherein the rectangular support plate is connected with another rectangular support plate trough two hinges arranged on one side edge of the rectangular support plate, so as to form a rectangular support plate group; cardan shafts are respectively welded at two ends of the side edges the rectangular support plate group; the cardan shafts are respectively connected with expansion links; the ends, far away from the cardan shafts, of the expansion links are respectively inserted into expansion link supports; the expansion links are fixedly connected with the expansion link supports; the expansionlink supports are fixed in limiting holes in a bottom table through limiting screws; and through three expansion link supports; folding configurations of the above two support plates can be fixed onthe bottom table. By applying the device, research of various geometric wall configurations and data analysis and acquisition of special fire spreading behaviors of building wall heat insulation plates under environmental wind conditions can be realized.

Description

technical field [0001] The present invention relates to a field, in particular to a device for testing the fire and combustion characteristics of thermal insulation boards for building walls with adjustable complex configurations. Background technique [0002] With the rapid promotion of global environmental protection buildings and green buildings in the past 30 years, building wall insulation panels have been widely used in the construction field and various related industries. It can play the role of partial decoration, and has already had a huge impact on people's living and home furnishing. But at the same time, the raw materials used as building insulation boards are usually high molecular polymers, such as flexible polyurethane (FPU) foam boards, rigid polyurethane (RPU) foam boards, extruded polystyrene (XPS) foam boards, etc. These materials are composed of a large amount of hydrocarbon elements, and if not specially treated, they are extremely flammable, and the n...

AI Technical Summary

Problems solved by technology

At present, most of the research methods and devices on the fire and combustion behavior of building insulation panels are aimed at the case of a single panel or a single configuration. Complex and diverse geometric configurations of modern buildings

Secondly, the environmental parameters or boundary conditions are not perfect enough, for example, the influence of environmental wind on building wall fires cannot be reflected, which is crucial for high-rise building fires

Therefore, the existing test devices and methods have limited the development of building fire safety science and the in-depth analysis of related combustion laws.

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